search for: link_to_back

Hello, There is an link_to option or an helper that generate a link like : <a href="javascript:history.back()">Back</a> Thanks

Hi! How to use this? I can declare it only inside a controller, so i tried to do add this to application controller: def back redirect_to :back end so i could call in all my views link_to ''back'', :controller => ''application'', :action => ''back'' but it doesn''t work - there are no errors, but i''m still on the same